Programming Forums - Problem with aliasing

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- Bash / Shell Scripting (http://www.programmingforums.org/forum26.html)

- - Problem with aliasing (http://www.programmingforums.org/showthread.php?t=7697)

a thing

Dec 23rd, 2005 6:55 PM

Problem with aliasing

I'm using kdialog a lot in a Bash script, and I always use the option --title="$title". So I made an alias, alias kdialog="kdialog --title=\"$title\"". The line alias|grep kdialog in the script outputs alias kdialog='kdialog --title="Audio Konvert 0.3.0"', but the title of a dialog created with kdialog --yesno "test" has a title of "Question - KDialog."

I'm trying to keep this all in one script.

a thing

Dec 26th, 2005 8:56 PM

Anyone?

Arevos

Dec 27th, 2005 4:15 AM

Funny; it works for me. What version of KDE are you using?

a thing

Dec 27th, 2005 8:37 AM

notroot[0:~]& rpm -q kdebase
kdebase-3.5.0-0.1.fc4
notroot[0:~]&

Mabe it's something wrong with somethinge else in the script...? Should I attach it (It's 37KB)?

Arevos

Dec 27th, 2005 10:38 AM

Same KDE version I have, so it's nothing to do with 3.5. Have you tried doing this normally?

title="Audio Konvert 0.3.0"

alias kdialog="kdialog --title=\"$title\""

kdialog --yesno "Testing, 1, 2, 3."

a thing

Dec 27th, 2005 10:50 AM

Now try putting that in a shell script.

Arevos

Dec 27th, 2005 1:06 PM

Quote:

Originally Posted by a thing

Now try putting that in a shell script.

Ah. I see what you mean. Curious indeed. Perhaps aliases are meant only for interactive use?

Perhaps use a function instead?

function kdialog

{

    /usr/bin/kdialog --title="$title" $*

}

I've put in the full path of kdialog in the function, because otherwise the function will recursively call itself.

Functions will only be around for the duration of the script, I believe (unless you put them in bashrc or similar), but they are called the same way you would call a regular command or alias:

kdialog --yesno "Testing, 1, 2, 3."

aznluvsmc

Dec 27th, 2005 9:52 PM

Aliases are disabled for non-interactive shells (shell scripts) according to my book so I guess your experiment confirms it.

a thing

Dec 27th, 2005 11:07 PM

Good idea Arevos :)

#!/bin/bash

title="This is a test."

kdialog ()

{

        `kde-config --prefix`/bin/kdialog --title="$title $* #or $@

}

kdialog --yesno "Testing, 1, 2, 3."

almost works. The title works, but the content is "Testing," and excludes " 1, 2, 3."

Arevos

Dec 28th, 2005 3:42 AM

`kde-config --prefix`/bin/kdialog --title="$title $* #or $@

Aren't you missing a " after $title? Could that be what's wrong with it?

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